2126540222 has 8 divisors (see below), whose sum is σ = 3195538776. Its totient is φ = 1061360632.

The previous prime is 2126540219. The next prime is 2126540291. The reversal of 2126540222 is 2220456212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2126540191 and 2126540200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 953348 + ... + 955575.

It is an arithmetic number, because the mean of its divisors is an integer number (399442347).

Almost surely, 2^2126540222 is an apocalyptic number.

2126540222 is a deficient number, since it is larger than the sum of its proper divisors (1068998554).

2126540222 is a wasteful number, since it uses less digits than its factorization.

2126540222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909482.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2126540222 is about 46114.4253135610. The cubic root of 2126540222 is about 1285.9513355665.

Adding to 2126540222 its reverse (2220456212), we get a palindrome (4346996434).

The spelling of 2126540222 in words is "two billion, one hundred twenty-six million, five hundred forty thousand, two hundred twenty-two".